You're hungry and unfamiliar with the area but would like a little more variety than simply looking for a cluster of fast food places around an off-ramp. UEatCheap will find you some novel grub.

You can search by city, state, or zip code, and there's a fairly substantial filter to select everything from American to Vietnamese cuisine. Bigger cities, of course, make it easier to drill down specifically to, say, Taiwanese food. For other good and cheap eats finding, check out Where the Locales Eat, or at least help yourself feel better about those sub-$10 fast-food meals with five fast-food restaurants to feel good about.